<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 流年 <liu21st@gmail.com>
// +----------------------------------------------------------------------

// 应用公共文件

/**
 * 打印变量
 */
function p($var){
    if (is_bool($var)) {
        var_dump($var);
    } else if(is_null($var)) {
        var_dump(NULL);
    } else {
        echo "<pre>".print_r($var ,true)."</pre>";
    }
}

/**
 * 取客户端IP
 */
function get_real_ip(){

    $ip=FALSE;

    //客户端IP 或 NONE

    if(!empty($_SERVER["HTTP_CLIENT_IP"])){

        $ip = $_SERVER["HTTP_CLIENT_IP"];

    }

    //多重代理服务器下的客户端真实IP地址（可能伪造）,如果没有使用代理，此字段为空

    if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {

        $ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);

        if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }

        for ($i = 0; $i < count($ips); $i++) {

            if (!eregi ("^(10│172.16│192.168).", $ips[$i])) {

                $ip = $ips[$i];

                break;

            }

        }

    }

    //客户端IP 或 (最后一个)代理服务器 IP

    return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
}

/**
 * 获取客户端浏览器信息 添加win10 edge浏览器判断
 * @param  null
 * @author  Jea杨
 * @return string
 */
function get_broswer(){
    //获取用户代理字符串
    $sys = $_SERVER['HTTP_USER_AGENT'];
    if (stripos($sys, "Firefox/") > 0) {
        preg_match("/Firefox\/([^;)]+)+/i", $sys, $b);
        $exp[0] = "Firefox";
        $exp[1] = $b[1];  //获取火狐浏览器的版本号
    } elseif (stripos($sys, "Maxthon") > 0) {
        preg_match("/Maxthon\/([\d\.]+)/", $sys, $aoyou);
        $exp[0] = "傲游";
        $exp[1] = $aoyou[1];
    } elseif (stripos($sys, "MSIE") > 0) {
        preg_match("/MSIE\s+([^;)]+)+/i", $sys, $ie);
        $exp[0] = "IE";
        $exp[1] = $ie[1];  //获取IE的版本号
    } elseif (stripos($sys, "OPR") > 0) {
        preg_match("/OPR\/([\d\.]+)/", $sys, $opera);
        $exp[0] = "Opera";
        $exp[1] = $opera[1];
    } elseif(stripos($sys, "Edge") > 0) {
        //win10 Edge浏览器 添加了chrome内核标记 在判断Chrome之前匹配
        preg_match("/Edge\/([\d\.]+)/", $sys, $Edge);
        $exp[0] = "Edge";
        $exp[1] = $Edge[1];
    } elseif (stripos($sys, "Chrome") > 0) {
        preg_match("/Chrome\/([\d\.]+)/", $sys, $google);
        $exp[0] = "Chrome";
        $exp[1] = $google[1];  //获取google chrome的版本号
    } elseif(stripos($sys,'rv:')>0 && stripos($sys,'Gecko')>0){
        preg_match("/rv:([\d\.]+)/", $sys, $IE);
        $exp[0] = "IE";
        $exp[1] = $IE[1];
    }else {
        $exp[0] = "未知浏览器";
        $exp[1] = "";
    }
    return $exp[0].'('.$exp[1].')';
}



/**
 * 获取客户端操作系统信息包括win10
 * @param  null
 * @author  Jea杨
 * @return string
 */
function get_os(){
    $agent = $_SERVER['HTTP_USER_AGENT'];
    $os = false;

    if (preg_match('/win/i', $agent) && strpos($agent, '95'))
    {
        $os = 'Windows 95';
    }
    else if (preg_match('/win 9x/i', $agent) && strpos($agent, '4.90'))
    {
        $os = 'Windows ME';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/98/i', $agent))
    {
        $os = 'Windows 98';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/nt 6.0/i', $agent))
    {
        $os = 'Windows Vista';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/nt 6.1/i', $agent))
    {
        $os = 'Windows 7';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/nt 6.2/i', $agent))
    {
        $os = 'Windows 8';
    }else if(preg_match('/win/i', $agent) && preg_match('/nt 10.0/i', $agent))
    {
        $os = 'Windows 10';#添加win10判断
    }else if (preg_match('/win/i', $agent) && preg_match('/nt 5.1/i', $agent))
    {
        $os = 'Windows XP';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/nt 5/i', $agent))
    {
        $os = 'Windows 2000';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/nt/i', $agent))
    {
        $os = 'Windows NT';
    }
    else if (preg_match('/win/i', $agent) && preg_match('/32/i', $agent))
    {
        $os = 'Windows 32';
    }
    else if (preg_match('/linux/i', $agent))
    {
        $os = 'Linux';
    }
    else if (preg_match('/unix/i', $agent))
    {
        $os = 'Unix';
    }
    else if (preg_match('/sun/i', $agent) && preg_match('/os/i', $agent))
    {
        $os = 'SunOS';
    }
    else if (preg_match('/ibm/i', $agent) && preg_match('/os/i', $agent))
    {
        $os = 'IBM OS/2';
    }
    else if (preg_match('/Mac/i', $agent) && preg_match('/PC/i', $agent))
    {
        $os = 'Macintosh';
    }
    else if (preg_match('/PowerPC/i', $agent))
    {
        $os = 'PowerPC';
    }
    else if (preg_match('/AIX/i', $agent))
    {
        $os = 'AIX';
    }
    else if (preg_match('/HPUX/i', $agent))
    {
        $os = 'HPUX';
    }
    else if (preg_match('/NetBSD/i', $agent))
    {
        $os = 'NetBSD';
    }
    else if (preg_match('/BSD/i', $agent))
    {
        $os = 'BSD';
    }
    else if (preg_match('/OSF1/i', $agent))
    {
        $os = 'OSF1';
    }
    else if (preg_match('/IRIX/i', $agent))
    {
        $os = 'IRIX';
    }
    else if (preg_match('/FreeBSD/i', $agent))
    {
        $os = 'FreeBSD';
    }
    else if (preg_match('/teleport/i', $agent))
    {
        $os = 'teleport';
    }
    else if (preg_match('/flashget/i', $agent))
    {
        $os = 'flashget';
    }
    else if (preg_match('/webzip/i', $agent))
    {
        $os = 'webzip';
    }
    else if (preg_match('/offline/i', $agent))
    {
        $os = 'offline';
    }
    else
    {
        $os = '未知操作系统';
    }
    return $os;
}


/**
 * 发送HTTP状态
 * @param integer $code 状态码
 * @return void
 */
function sendHttpStatus($code)
{
    static $_status = array(
        // Informational 1xx
        100 => 'Continue',
        101 => 'Switching Protocols',
        // Success 2xx
        200 => 'OK',
        201 => 'Created',
        202 => 'Accepted',
        203 => 'Non-Authoritative Information',
        204 => 'No Content',
        205 => 'Reset Content',
        206 => 'Partial Content',
        // Redirection 3xx
        300 => 'Multiple Choices',
        301 => 'Moved Permanently',
        302 => 'Moved Temporarily ',  // 1.1
        303 => 'See Other',
        304 => 'Not Modified',
        305 => 'Use Proxy',
        // 306 is deprecated but reserved
        307 => 'Temporary Redirect',
        // Client Error 4xx
        400 => 'Bad Request',
        401 => 'Unauthorized',
        402 => 'Payment Required',
        403 => 'Forbidden',
        404 => 'Not Found',
        405 => 'Method Not Allowed',
        406 => 'Not Acceptable',
        407 => 'Proxy Authentication Required',
        408 => 'Request Timeout',
        409 => 'Conflict',
        410 => 'Gone',
        411 => 'Length Required',
        412 => 'Precondition Failed',
        413 => 'Request Entity Too Large',
        414 => 'Request-URI Too Long',
        415 => 'Unsupported Media Type',
        416 => 'Requested Range Not Satisfiable',
        417 => 'Expectation Failed',
        // Server Error 5xx
        500 => 'Internal Server Error',
        501 => 'Not Implemented',
        502 => 'Bad Gateway',
        503 => 'Service Unavailable',
        504 => 'Gateway Timeout',
        505 => 'HTTP Version Not Supported',
        509 => 'Bandwidth Limit Exceeded'
    );
    if (isset($_status[$code])) {
        header('HTTP/1.1 ' . $code . ' ' . $_status[$code]);
        // 确保FastCGI模式下正常
        header('Status:' . $code . ' ' . $_status[$code]);
    }
}

/**
 * 去除HTML标签
 * @param $string
 * @return string
 */
function cutstr_html($string){

    $string = strip_tags($string);

    $string = trim($string);

    $string = ereg_replace("\t","",$string);

    $string = ereg_replace("\r\n","",$string);

    $string = ereg_replace("\r","",$string);

    $string = ereg_replace("\n","",$string);

    $string = ereg_replace(" ","",$string);

    return trim($string);
}



/**
 * 获得随机字符串
 * @param $len             需要的长度
 * @param $special        是否需要特殊符号
 * @return string       返回随机字符串
 */
function getRandomStr($len, $special=false){
    $chars = array(
        "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k",
        "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v",
        "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G",
        "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",
        "S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2",
        "3", "4", "5", "6", "7", "8", "9"
    );

    if($special){
        $chars = array_merge($chars, array(
            "!", "@", "#", "$", "?", "|", "{", "/", ":", ";",
            "%", "^", "&", "*", "(", ")", "-", "_", "[", "]",
            "}", "<", ">", "~", "+", "=", ",", "."
        ));
    }

    $charsLen = count($chars) - 1;
    shuffle($chars);                            //打乱数组顺序
    $str = '';
    for($i=0; $i<$len; $i++){
        $str .= $chars[mt_rand(0, $charsLen)];    //随机取出一位
    }
    return $str;
}

/**
 * 请求接口返回内容
 * @param  string $url [请求的URL地址]
 * @param  string $params [请求的参数]
 * @param  int $ipost [是否采用POST形式]
 * @return  string
 */
function req_curl($url, $params = false, $ispost = 0)
{
    $httpInfo = array();
    $ch = curl_init();

    curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
    curl_setopt($ch, CURLOPT_USERAGENT, 'JuheData');
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
    curl_setopt($ch, CURLOPT_TIMEOUT, 60);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    if ($ispost) {
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
        curl_setopt($ch, CURLOPT_URL, $url);
    } else {
        if ($params) {
            curl_setopt($ch, CURLOPT_URL, $url.'?'.$params);
        } else {
            curl_setopt($ch, CURLOPT_URL, $url);
        }
    }
    $response = curl_exec($ch);
    if ($response === FALSE) {
        //echo "cURL Error: " . curl_error($ch);
        return false;
    }
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $httpInfo = array_merge($httpInfo, curl_getinfo($ch));
    curl_close($ch);
    return $response;
}


/**
 * 提取字符串中图片url地址
 * @param type $str
 * @return type
 */
function getimgs($str) {
    $reg = '/((http|https):\/\/)+(\w+\.)+(\w+)[\w\/\.\-]*(jpg|gif|png)/';
    $matches = array();
    preg_match_all($reg, $str, $matches);
    foreach ($matches[0] as $value) {
        $data[] = get_file($value);
    }
    return $data;
}


/**
 * PHP程序提取字符串中图片url地址
 * @ Linyufan.com
 * @ 2018.8.30
 */
function get_content_img($str,$len = 1)
{
    // preg_replace('/<\s*img\s+[^>]*?src\s*=\s*(\'|\")(.*?)\\1[^>]*?\/?\s*>/i', '', $str)  过滤代码里的图片
    preg_match_all("/<img[^<>]*src=[\"]([^\"]+)[\"][^<>]*>/im", $str, $matches);  //这个规则也可以
    if (isset($matches[1])) {
        return array_slice($matches[1],0,$len);
    } else {
        return [];
    }
}

/**
 * 控制台输出
 * @param $var
 * @param string $level
 */
function console($var,$level = 'log')
{
    if(is_array($var) || is_object($var)){
        $output = json_encode($var);
        $jsonDecode = json_decode($output);
        if(empty($jsonDecode) && !empty($var)){
            echo "<script>console.{$level}('不支持输出')</script>";
            return;
        }
    }elseif(is_string($var)){
        $output = '"'.$var.'"';
    }else{
        $output = $var;
    }
    echo "<script>console.{$level}({$output})</script>";
    return;
}

